new classes: implement new.target passing to superclass constructor.

src/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 4263 matching lines @@
 
 void HOptimizedGraphBuilder::VisitExpressions(ZoneList<Expression*>* exprs,
                                               ArgumentsAllowedFlag flag) {
   for (int i = 0; i < exprs->length(); ++i) {
     CHECK_ALIVE(VisitForValue(exprs->at(i), flag));
   }
 }
 
 
 bool HOptimizedGraphBuilder::BuildGraph() {
+  if (IsSubclassConstructor(current_info()->function()->kind())) {
+    Bailout(kSuperReference);
+    return false;
+  }
+
   Scope* scope = current_info()->scope();
   SetUpScope(scope);
 
   // Add an edge to the body entry.  This is warty: the graph's start
   // environment will be used by the Lithium translation as the initial
   // environment on graph entry, but it has now been mutated by the
   // Hydrogen translation of the instructions in the start block.  This
   // environment uses values which have not been defined yet.  These
   // Hydrogen instructions will then be replayed by the Lithium
   // translation, so they cannot have an environment effect.  The edge to
@@ skipping 9202 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal